Got the same when stracing Skype (32-bit app on 64bit system): pawel@galileo:~/bin/skype$ strace ./skype --enable-dbus --use-system-dbus 2> /home/pawel/down/tmp/skype.log [ Process PID=7200 runs in 32 bit mode. ] *** glibc detected *** strace: malloc(): memory corruption (fast): 0x00000000017467d0 *** ======= Backtrace: ========= /lib/libc.so.6[0x7f2f0862ecb8] /lib/libc.so.6[0x7f2f08632351] /lib/libc.so.6(__libc_malloc+0x98)[0x7f2f08633828] strace[0x4087d8] strace[0x405c0e] strace[0x404916] /lib/libc.so.6(__libc_start_main+0xe6)[0x7f2f085d55a6] strace[0x402119] ======= Memory map: ======== 00400000-00447000 r-xp 00000000 08:02 254867 /usr/bin/strace 00646000-00647000 r--p 00046000 08:02 254867 /usr/bin/strace 00647000-00648000 rw-p 00047000 08:02 254867 /usr/bin/strace 00648000-00656000 rw-p 00648000 00:00 0 01746000-01767000 rw-p 01746000 00:00 0 [heap] 7f2f04000000-7f2f04021000 rw-p 7f2f04000000 00:00 0 7f2f04021000-7f2f08000000 ---p 7f2f04021000 00:00 0 7f2f0839f000-7f2f083b5000 r-xp 00000000 08:02 879483 /lib/libgcc_s.so.1 7f2f083b5000-7f2f085b5000 ---p 00016000 08:02 879483 /lib/libgcc_s.so.1 7f2f085b5000-7f2f085b6000 r--p 00016000 08:02 879483 /lib/libgcc_s.so.1 7f2f085b6000-7f2f085b7000 rw-p 00017000 08:02 879483 /lib/libgcc_s.so.1 7f2f085b7000-7f2f0871f000 r-xp 00000000 08:02 879462 /lib/libc-2.9.so 7f2f0871f000-7f2f0891f000 ---p 00168000 08:02 879462 /lib/libc-2.9.so 7f2f0891f000-7f2f08923000 r--p 00168000 08:02 879462 /lib/libc-2.9.so 7f2f08923000-7f2f08924000 rw-p 0016c000 08:02 879462 /lib/libc-2.9.so 7f2f08924000-7f2f08929000 rw-p 7f2f08924000 00:00 0 7f2f08929000-7f2f08949000 r-xp 00000000 08:02 879459 /lib/ld-2.9.so 7f2f08b20000-7f2f08b22000 rw-p 7f2f08b20000 00:00 0 7f2f08b44000-7f2f08b48000 rw-p 7f2f08b44000 00:00 0 7f2f08b48000-7f2f08b49000 r--p 0001f000 08:02 879459 /lib/ld-2.9.so 7f2f08b49000-7f2f08b4a000 rw-p 00020000 08:02 879459 /lib/ld-2.9.so 7fff10b34000-7fff10b49000 rw-p 7ffffffea000 00:00 0 [stack] 7fff10bfe000-7fff10bff000 r-xp 7fff10bfe000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Aborted
Got the same when stracing Skype (32-bit app on 64bit system): ~/bin/skype$ strace ./skype --enable-dbus --use-system-dbus 2> /home/pawel/ down/tmp/ skype.log so.6[0x7f2f0862 ecb8] so.6[0x7f2f0863 2351] so.6(__ libc_malloc+ 0x98)[0x7f2f086 33828] so.6(__ libc_start_ main+0xe6) [0x7f2f085d55a6 ] 7f2f04021000 rw-p 7f2f04000000 00:00 0 7f2f08000000 ---p 7f2f04021000 00:00 0 7f2f083b5000 r-xp 00000000 08:02 879483 /lib/libgcc_s.so.1 7f2f085b5000 ---p 00016000 08:02 879483 /lib/libgcc_s.so.1 7f2f085b6000 r--p 00016000 08:02 879483 /lib/libgcc_s.so.1 7f2f085b7000 rw-p 00017000 08:02 879483 /lib/libgcc_s.so.1 7f2f0871f000 r-xp 00000000 08:02 879462 /lib/libc-2.9.so 7f2f0891f000 ---p 00168000 08:02 879462 /lib/libc-2.9.so 7f2f08923000 r--p 00168000 08:02 879462 /lib/libc-2.9.so 7f2f08924000 rw-p 0016c000 08:02 879462 /lib/libc-2.9.so 7f2f08929000 rw-p 7f2f08924000 00:00 0 7f2f08949000 r-xp 00000000 08:02 879459 /lib/ld-2.9.so 7f2f08b22000 rw-p 7f2f08b20000 00:00 0 7f2f08b48000 rw-p 7f2f08b44000 00:00 0 7f2f08b49000 r--p 0001f000 08:02 879459 /lib/ld-2.9.so 7f2f08b4a000 rw-p 00020000 08:02 879459 /lib/ld-2.9.so 7fff10b49000 rw-p 7ffffffea000 00:00 0 [stack] 7fff10bff000 r-xp 7fff10bfe000 00:00 0 [vdso] 0-ffffffffff601 000 r-xp 00000000 00:00 0 [vsyscall]
pawel@galileo:
[ Process PID=7200 runs in 32 bit mode. ]
*** glibc detected *** strace: malloc(): memory corruption (fast): 0x00000000017467d0 ***
======= Backtrace: =========
/lib/libc.
/lib/libc.
/lib/libc.
strace[0x4087d8]
strace[0x405c0e]
strace[0x404916]
/lib/libc.
strace[0x402119]
======= Memory map: ========
00400000-00447000 r-xp 00000000 08:02 254867 /usr/bin/strace
00646000-00647000 r--p 00046000 08:02 254867 /usr/bin/strace
00647000-00648000 rw-p 00047000 08:02 254867 /usr/bin/strace
00648000-00656000 rw-p 00648000 00:00 0
01746000-01767000 rw-p 01746000 00:00 0 [heap]
7f2f04000000-
7f2f04021000-
7f2f0839f000-
7f2f083b5000-
7f2f085b5000-
7f2f085b6000-
7f2f085b7000-
7f2f0871f000-
7f2f0891f000-
7f2f08923000-
7f2f08924000-
7f2f08929000-
7f2f08b20000-
7f2f08b44000-
7f2f08b48000-
7f2f08b49000-
7fff10b34000-
7fff10bfe000-
ffffffffff60000
Aborted